Home / 14,940.30-20,608.53-9,198.69

Finding the Fourth Proportional to 14,940.30, 20,608.53 and 9,198.69

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Solution

The fourth proportional to 14,940.30, 20,608.53 and 9,198.69 is: 12,688.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,940.30 : 20,608.53 = 9,198.69 : x
  2. Step 2: Convert to fraction form
    14,940.30/20,608.53 = 9,198.69/x
  3. Step 3: Cross multiply
    14,940.30x = 20,608.53 × 9,198.69
  4. Step 4: Simplify right side
    14,940.30x = 189,571,367.05
  5. Step 5: Solve for x
    x = 189,571,367.05/14,940.30
  6. Step 6: Final answer
    x = 12,688.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.